100212122192 has 80 divisors (see below), whose sum is σ = 240792004992. Its totient is φ = 39341652480.

The previous prime is 100212122191. The next prime is 100212122221. The reversal of 100212122192 is 291221212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212122191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71963 + ... + 453434.

Almost surely, 2^100212122192 is an apocalyptic number.

It is an amenable number.

100212122192 is an abundant number, since it is smaller than the sum of its proper divisors (140579882800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100212122192 is a wasteful number, since it uses less digits than its factorization.

100212122192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525556 (or 525550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 100212122192 its reverse (291221212001), we get a palindrome (391433334193).

The spelling of 100212122192 in words is "one hundred billion, two hundred twelve million, one hundred twenty-two thousand, one hundred ninety-two".